{"product_id":"shademart-21ft-x-31ft-grey-heavy-duty-rectangle-shade-sail-95-uv","title":"ShadeMart 21ft x 31ft Grey Heavy Duty Rectangle Shade Sail - 95% UV","description":"\u003cp\u003eIn this review the ShadeMart 21' x 31' grey rectangle shade sail is presented for homeowners and small businesses who need a durable, high-coverage canopy. The bottom line: it is best for patios, pools and carports where long-term UV protection and strong attachment points matter. The single biggest reason to buy is its heavy duty construction with integrated cable-edge design and stainless super rings that concentrate pull forces into the cable, so the sail resists fraying and sagging under tension.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003e260 GSM HDPE Fabric:\u003c\/strong\u003e The 100% virgin HDPE material is laboratory tested and treated with UV stabilizers to resist drying, tearing and fading under prolonged sun exposure.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e95% UV Blockage:\u003c\/strong\u003e The dense weave blocks most harmful UV rays to noticeably reduce temperature and sunlight where the sail is installed.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSuper Ring Mounts:\u003c\/strong\u003e Stainless mounting super rings integrate with the cable edge so all pulling strength transfers to the cable, improving long-term edge durability.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBreathable, Permeable Design:\u003c\/strong\u003e The fabric allows water to pass through so rain does not pool on the canopy and wind can pass, reducing stress on fixings.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePre-finished Edges:\u003c\/strong\u003e Slightly curved finished edges help achieve a tight, low-sag installation when leave space for hardware is observed.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCustom Size Option:\u003c\/strong\u003e The sail is offered with custom sizing, useful for irregular patios or commercial shade installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis shade sail is aimed at homeowners with patios, balcony areas or small commercial outdoor seating who want a robust, long-lasting sun barrier rather than a low-cost temporary cover. Its heavy duty 260 GSM cloth and integrated cable edges make it a good fit for permanent seasonal installations.\u003c\/p\u003e\n\n\u003cp\u003eIt is less suitable for users who expect a totally waterproof awning or who cannot provide secure mounting points; installation hardware is sold separately and proper tensioning requires room for hardware between the D rings and mounting points. Those needing a fully waterproof canopy should look elsewhere.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eVery strong construction with cable-reinforced edges and stainless super rings that reduce edge wear.\u003c\/li\u003e\n \u003cli\u003eHigh UV protection that produces a noticeable temperature drop below the canopy.\u003c\/li\u003e\n \u003cli\u003eBreathable fabric prevents water pooling and reduces wind loading on mounting points.\u003c\/li\u003e\n \u003cli\u003eGood value for a heavy duty, laboratory-tested virgin HDPE material compared with recycled alternatives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eInstallation requires separate hardware and correct cable ropes; using weak ropes can cause failure.\u003c\/li\u003e\n \u003cli\u003eSome buyers report size and color expectations vary, so measuring and checking color under sunlight is recommended.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eShadeMart\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSize (D ring to D ring)\u003c\/td\u003e\n\u003ctd\u003e21' x 31'\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e260 GSM 100% virgin HDPE\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eUV Blockage\u003c\/td\u003e\n\u003ctd\u003e95%\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eStainless super rings with built-in cable wire edges\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eDrainage\u003c\/td\u003e\n\u003ctd\u003eBreathable\/permeable fabric (no pooling)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHardware\u003c\/td\u003e\n\u003ctd\u003eSold separately; cable ropes required per D ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ShadeMart 21' x 31' grey rectangle shade sail is recommended for anyone who needs strong, long-lasting sun protection for patios, pools or carports; its 260 GSM virgin HDPE, cable-reinforced edges and stainless super rings deliver durability and effective heat reduction at a fair price. Ensure you plan secure mounting points and purchase compatible hardware to get the best performance.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the fabric allow rain to pass through?\u003c\/strong\u003e\u003cbr\u003eYes. The breathable 260 GSM HDPE weave is permeable so water drains and does not pool on the sail.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs installation hardware included?\u003c\/strong\u003e\u003cbr\u003eNo. Installation kits and cable ropes are sold separately and proper cable attachment is required for safe tensioning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much UV protection does it provide?\u003c\/strong\u003e\u003cbr\u003eThe sail is rated to block approximately 95% of harmful UV, reducing direct sunlight and surface temperature under the canopy.\u003c\/p\u003e","brand":"ShadeMart","offers":[{"title":"Default Title","offer_id":48609488994523,"sku":"B0C84R7RT9","price":885.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/913NyIqJU_L._AC_SL1500_2ca3ed63-5dc0-44e4-b81e-b58cad4ad46b.jpg?v=1778462004","url":"https:\/\/gearmusthave.com\/products\/shademart-21ft-x-31ft-grey-heavy-duty-rectangle-shade-sail-95-uv","provider":"GearMustHave","version":"1.0","type":"link"}